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DELL EMC DES-1B21 Specialist – Implementation Engineers, Elastic Cloud Storage (ECS) Exam Online Training

Question #1

The ECS network solution for an organization is designed to have 4x10bE uplinks connected to both Cisco switches. The organization will create the needed port channels.

What additional configuration on Cisco switches is recommended for high availability and redundancy?

  • A . Ring topology
  • B . Dedicated VLANs
  • C . Spanning tree protocol
  • D . Virtual port channel

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Correct Answer: D
Question #2

When a disk state is suspect, what are the allowable options?

  • A . Read
  • B . Write
  • C . Read and write
  • D . No operations allows

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Correct Answer: A
Question #3

DRAG DROP

What is the correct order steps in the ECS software installation process?

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Correct Answer:
Question #3

DRAG DROP

What is the correct order steps in the ECS software installation process?

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Correct Answer:
Question #5

Which ECS array license file enables data services for storage management?

ViPR Commodity

ViPR HDFS

ViPR Unstructured

ViPR ECS

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Correct Answer: B
Question #6

Which command is use to install the ECS software package?

A)

B)

C)

D)

  • A . Option
  • B . Option
  • C . Option
  • D . Option

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Correct Answer: B
Question #7

The ECS is not PXE-booting nodes 2 through 8.

Which command should be run to check PXE boot status?

A)

B)

C)

D)

  • A . Option
  • B . Option
  • C . Option
  • D . Option

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Correct Answer: C
Question #8

An organization needs to isolate each business unit form the other such that each unit has its own user management, replication configuration and encryption policy.

What should the organization create on the ECS?

  • A . Multiple object users
  • B . Different buckets
  • C . Multiple replication groups
  • D . Different namespaces

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Correct Answer: D
Question #9

An implementation engineer is installing ECS and sees that node names are not resolving to the public IP addresses.

Which command should they use to validate the ECS DNS configuration?

  • A . cat  /etc/resolve.conf
  • B . get rackingfo -r
  • C . infconfig
  • D . nslookup

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Correct Answer: B
Question #10

What does ECS S3 authentication with signature version 2 use to sign requests?

  • A . Access key ID
  • B . Secret key
  • C . Credential scope
  • D . Namespace name

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Correct Answer: B

Question #11

Which type of data service is provided by ECS?

  • A . NFSv2
  • B . CIFS
  • C . Block
  • D . Object

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Correct Answer: D
Question #12

In an environment with two or more VDCs, which operation is unavailable when network connectivity is interrupted between the VDCs?

  • A . Read object
  • B . Update object
  • C . Write object
  • D . Create bucket

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Correct Answer: D
Question #13

What is a prerequisite for an end user to obtain the license file?

  • A . License Authorization Code (LIC)
  • B . ECS access to ELMs website
  • C . Software ID (SWID)
  • D . Number of ECS nodes

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Correct Answer: A
Question #14

You are configuring a DD Cloud Tier and ECS system as part of a LTR cloud backup solution. When adding the Cloud Unit in the Data Domain system you cannot connect to the ECS system.

What is preventing the configuration from being completed?

  • A . The namespace used for DD Cloud Tier is applied to a federated VDSC instead of a single VDC.
  • B . Two different DD Cloud Units were added as “Dell EMC Elastic Cloud Storage (ECS)”
  • C . Other namespaces reside on the same storage pool where the namespace for DD Cloud Tier is created
  • D . Ports 9020 and 9021 are closed in the firewall between the DD system and the ECS load balancer

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Correct Answer: D
Question #15

Which data encryption mode is supported by ECS?

  • A . RSA BSAFE FIPS 140-2
  • B . Standard CBC
  • C . GCM
  • D . SEC 17-A4

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Correct Answer: A
Question #16

A company is integrating Dell EMC Isilon Isilon CloudPools with ECS and would like to enable CloudPools for disaster recovery failover.

Which deep copy option should be used?

  • A . Allow
  • B . Force
  • C . Stub sync
  • D . Deny

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Correct Answer: D
Question #17

A retention policy and a retention period are defined for the same object.

What will control the deletion of that object?

  • A . The one with the greater time interval
  • B . The one that was created first
  • C . Only the retention period
  • D . Only the retention policy

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Correct Answer: A
Question #18

What is the default path for the customization topology file?

  • A . /var/tmp/installer/
  • B . /opt/emc/Caspian/installer/conf/
  • C . /home/admin/
  • D . /opt/emc/Caspian/installer/

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Correct Answer: B
Question #19

ECS has old data on the disks.

What command should be used to prepare the disks for a new install of the ECS software?

  • A . dcmulti cs_hal list disks
  • B . viprexex -i “clean_disks Call-dae-internal-nonsystem-disks”
  • C . b1kid
  • D . viprexec “parted rm *”

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Correct Answer: B
Question #20

A storage administrator is trying to create a new bucket using s3curl pl. They use a URL pointing to their load balancer. The SSL connection is terminated on the load balancer.

What port number should be used?

  • A . 9020
  • B . 9021
  • C . 9023
  • D . 9025

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Correct Answer: B

Question #21

You are configuring a NetWork with CloudBoost solution using ECS as LTR backup. When adding the CloudBoost appliance in the Dell EMC Cloud Portal, the configuration fails and shows the following error.

Operation completed with errors. Cloud not apply initial configuration. Reason: Validation failed; cloud profile is invalid

What is causing this error?

  • A . Claim code is invalid when registering the CloudBoost appliance
  • B . ECS object access S3 password does not match ECS access key
  • C . Display name is set incorrectly for the ECS Cloud Profile
  • D . Neither port number 9020 nor 9021 is included in the ECS endpoint.

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Correct Answer: D
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